Replacement Bump Feed Head fits for Craftsman 20V and 60V CMCST920 and CMCST960 Weedwacker Series Cordless String CMCST920 Trimmer Head featuring a 0.080" diameter, 20-foot pre-wound line. The Quick Load spool design enables fast and easy line replacement CMZST260H fits for Craftsman 20V trimmer (CMCST920B, CMCST920M1), Craftsman 60V trimmer (CMCST960D2, CMCST960E1) The CMZST260H replacement trimmer head shell is constructed from durable ABS material, ensuring robust protection for the internal components against damage. Additionally, the trimmer line is crafted from high-quality nylon, which enhances cutting efficiency and prolongs the product's lifespan. Compatible with Craftsman, fits for Troy-Bilt String Trimmers CMXGTAMD30SA WS405 41BD30SA791CMXGTAMDSS30 WS4200 41ADSS30793 CMXGTAMDSS30 WS4200 41BDSS30793 Also fits for Troy-Bilt TB425XP TB227XP Replacement Bump Feed Head fits for Craftsman 20V and 60V CMCST920 and CMCST960 Weedwacker Series Cordless String CMCST920 Trimmer Head featuring a 0.080" diameter, 20-foot pre-wound line. The Quick Load spool design enables fast and easy line replacement CMZST260H fits for Craftsman 20V trimmer (CMCST920B, CMCST920M1), Craftsman 60V trimmer (CMCST960D2, CMCST960E1) The CMZST260H replacement trimmer head shell is constructed from durable ABS material, ensuring robust protection for the internal components against damage. Additionally, the trimmer line is crafted from high-quality nylon, which enhances cutting efficiency and prolongs the product's lifespan.